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  • Bones, Muscles, and Joints for Teens


    Our bones, muscles, and joints form our musculoskeletal system and enable us to do everyday physical activities.

  • Toxoplasmosis for Parents


    Toxoplasmosis is an infection that passes from animals to humans, sometimes without causing any symptoms. Learn more about this infection in this article for parents.

  • Eyes for Teens


    Although your eyes are small, their structure is incredibly complex. Find out how they work in this body basics article.

  • Eyes for Parents


    The eyes are small compared with most of the body's other organs, but their structure is incredibly complex. Learn more about eyes, vision, and common problems with both.

  • Bones, Muscles, and Joints for Parents


    Without bones, muscles, and joints, we couldn't stand, walk, run, or even sit. The musculoskeletal system supports our bodies, protects our organs from injury, and enables movement.

  • Endocrine System for Teens


    The endocrine system influences almost every cell, organ, and function of our bodies. It is instrumental in regulating mood, growth and development, metabolism, and sexual function, among other things.

  • Hearing Impairment for Teens


    Hearing impairment occurs when there's a problem with or damage to one or more parts of the ear. Find out its causes and what can be done to help correct it.

  • Your Skin for Kids


    No matter how you think of it, your skin is very important. It covers and protects everything inside your body.

  • Thrombocytopenia for Teens


    Thrombocytopenia is when someone has too few platelets in their bloodstream. Many things can cause it and most can be treated.

  • Strabismus for Parents


    Strabismus causes eyes to wander or cross. Treatment may include glasses, patches, eye drops, or surgery.